t
●
Always observe the following items.
1. When using this product into systems, always use genuine
KOGANEI parts or compatible parts (recommended parts).
When performing maintenance and repairs, always use genuine
KOGANEI parts or compatible parts (recommended parts).
Always observe the required methods and procedure.
2. Never attempt inappropriate disassembly or assembly of the product
relating to basic construction, or its performance or functions.
Koganei cannot be responsible if these items are not properly observed.
●
When considering the possibility of using this product in situations or
environments not specifically noted in the Catalog or Owner’s Manual,
or in applications where safety is an important requirement such as in
an airplane facility, combustion equipment, leisure equipment, safety
equipment, and other places where human life or assets may be
greatly affected, take adequate safety precautions such as an
application with enough margins for ratings and performance or fail-
safe measure.
Be sure to consult us about such applications.
●
Always check the Owner’s Manual and other reference materials for
product wiring.
●
When handling the product, wear protective gloves, safety glasses,
safety shoes, etc., to keep safety.
●
Perform daily inspections to check that system functions are
performing as required to prevent accidents from happening
beforehand.
●
When the product can no longer be used, or is no longer necessary,
dispose of it appropriately as industrial waste.
●
Equipment performance and function can deteriorate over the service
lifetime. Perform daily equipment inspections to check that the
required system functions are being satisfied and to prevent accidents
before they happen.
Handling Instructions and Precautions
Handling Instructions and Precautions
General precautions
1.
When using a switching regulator obtained on the market for the
power supply, always ground the frame ground (F.G.) terminal.
2.
When using equipment (switching regulator, inverter motor, etc.) that
can become a source of noise around the EP Sensor mounting area,
always ground the equipment frame ground (F.G.) terminal.
3.
When wiring is completed, check that there are no errors in the wiring
connections.
Wiring
1.
Check power supply fluctuations to ensure that power input does not
exceed the rated value.
2.
Avoid use during the transient period (0.5s) when the power is
switched on.
3.
Do not use needle tips or other sharp points to perform key operation.
Others
1.
Zero calibration is a function for adjusting the reference electric
potential where the measured value is 0V. The 0V electric potential is
recorded at space where no metal plate or charged object is
connected to the ground.
2.
When the power supply is connected and the operation mode is
switched between the ion balance monitor mode and averaged data
output mode, or between the ion balance monitor mode and actual
measured data output mode, the reference electric potential is
automatically set to the ground electric potential connected to the body.
Zero calibration
Major parts and functions of EP Monitor
Name
Description
q
Alarm LED (red)
Blinks when judgment output is ON, lights up
when sensor abnormality occurs
w
Power LED (green)
Lights up when power supply is ON
e
Calibration switch
Executes zero calibration, outputs reset after
judgment output
r
Cable
Power and signal wiring connection
t
Communication
Communication cable connection for setting
cable jack
y
Dust cover
Rubber cover for protection against dust
Name
Description
q
LED display (red)
Displays the detected electric potential value,
setting contents, and error content
w
Switch output
Lights up when switch output is ON
indicator (red)
e
Autoscan
Channel displaying current electric potential
indicator (green)
lights up
r
UP key (
)
Used when adjusting setting value upward
t
DOWN key (
)
Used when adjusting setting value downward
y
Mode key (
)
Used for all types of settings
A. S. OUT
SW.OUT
ch
1
2
3
4
DTY-EPU
e
t
y
w
q
r
1.
Since miswiring in the EP Sensor, or in the power supply, switch, and
communication cable, can damage both the EP Monitor and EP
Sensor, always check the wiring before switching on the power.
2.
The setting conditions are written to EEPROM and saved. Be aware
that EEPROM has a finite lifetime, with a write guarantee times up to
100,000 times.
1.
For mounting the EP Sensor, use either the screws provided (M3
×
0.5, length 18mm [0.709in.]) or M3
×
0.5 screws. Use a tightening
torque of 0.4N·m [3.5in·lbf]. Be careful when tightening, since over-
tightening will damage the EP Sensor.
2.
Always perform grounding. Because measurement of electric
potential uses the ground electric potential as the reference, the
electric potential cannot be accurately measured unless connected to
a ground.
3.
The EP Sensor body is connected to a ground. Be sure to provide
adequate insulation when mounting in a location subject to applying
voltages.
4.
Do not touch the detecting portion. Also, do not let high pressure air
blow against it. The detecting portion could be damaged.
5.
Ensure a dust-free environment around the detecting portion.
6.
If the detecting portion requires cleaning, position the detecting
portion so that it faces downward, and blow air at a pressure of
0.1MPa [14.5psi] or less from a distance of at least 100mm [3.94in.].
7.
Where stability in electric potential detection is needed, a wait of at
least 15 minutes after the power supply is switched on before starting
operation is recommended.
8.
This sensor measures the strength of electric field to calculate the
voltage value. As a result, be aware that the presence of items
capable of disturbing the electric field (relays, solenoids, metal chips,
etc.) near the sensor, or between the sensor and the item being
measured, could affect the measurement value.
Major parts and functions of EP Sensor
DTY-EPS
SER
CAL
POW
ALM
w
t
y
e
r
q
Mounting holes
Detecting portion
ATTENTION
OTHERS
Summary of Contents for DTY-EPS Series
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